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+// file : boost/common/smart-ptr/driver.cxx
+// license : GNU GPL v2; see accompanying LICENSE file
+
+// Test boost smart pointers.
+//
+
+#include <memory> // std::auto_ptr
+#include <cassert>
+#include <iostream>
+
+#include <odb/database.hxx>
+#include <odb/session.hxx>
+#include <odb/transaction.hxx>
+
+#include <common/common.hxx>
+
+#include "test.hxx"
+#include "test-odb.hxx"
+
+using namespace std;
+
+using namespace odb::boost;
+using namespace odb::core;
+
+int
+main (int argc, char* argv[])
+{
+ using boost::shared_ptr;
+
+ try
+ {
+ auto_ptr<database> db (create_database (argc, argv));
+
+ shared_ptr<cont> c1 (new cont (1));
+ {
+ transaction t (db->begin ());
+ db->persist (c1);
+ t.commit ();
+ }
+
+ // Test comparison operators.
+ //
+ {
+ assert (lazy_shared_ptr<cont> () == lazy_shared_ptr<cont> ());
+ assert (lazy_shared_ptr<cont> () != lazy_shared_ptr<cont> (c1));
+ assert (lazy_shared_ptr<cont> (c1) == lazy_shared_ptr<cont> (c1));
+
+ lazy_shared_ptr<cont> lc1 (*db, 1);
+ assert (lc1 != lazy_shared_ptr<cont> ());
+ assert (lc1 == lazy_shared_ptr<cont> (*db, c1));
+
+ shared_ptr<cont> c2 (new cont (2));
+ assert (lc1 != lazy_shared_ptr<cont> (*db, c2));
+ }
+
+ // Test swap.
+ //
+ {
+ lazy_shared_ptr<cont> lx (*db, 1), ly;
+ assert (lx == lazy_shared_ptr<cont> (*db, c1));
+
+ swap (lx, ly);
+ assert (lx == lazy_shared_ptr<cont> ());
+ assert (ly == lazy_shared_ptr<cont> (*db, c1));
+ }
+
+ // Test assignment from auto_ptr.
+ //
+ {
+ cont* p = new cont (3);
+ auto_ptr<cont> a (p);
+ lazy_shared_ptr<cont> l;
+ l = a;
+
+ assert (l.get() == p);
+ assert (!a.get ());
+ }
+
+ shared_ptr<obj> o1 (new obj (1));
+ shared_ptr<obj> o2 (new obj (2));
+ shared_ptr<obj> o3 (new obj (3));
+ shared_ptr<obj> o4 (new obj (4));
+ shared_ptr<cont> c2 (new cont (2));
+
+ o1->c = c1;
+ o2->c = c1;
+ o3->c = c2;
+ o4->c = c2;
+
+ // Persist.
+ //
+ {
+ transaction t (db->begin ());
+
+ db->persist (o1);
+ db->persist (o2);
+ db->persist (o3);
+ db->persist (o4);
+ db->persist (c2);
+
+ t.commit ();
+ }
+
+ // Load.
+ //
+ {
+ session s;
+ transaction t (db->begin ());
+
+ shared_ptr<cont> c (db->load<cont> (1));
+ shared_ptr<obj> o (db->load<obj> (1));
+
+ // Ensure that lazy pointers are present but not loaded.
+ //
+ assert (c->o.size () == 2);
+ assert (!c->o[0].loaded ());
+ assert (!c->o[1].loaded ());
+ assert (!o->c.loaded ());
+
+ // Ensure that the correct object IDs were loaded.
+ //
+ assert (c->o[0].object_id<obj> () == 1);
+ assert (c->o[1].object_id<obj> () == 2);
+ assert (o->c.object_id<obj> () == 1);
+
+ // Load the lazy pointer targets ensuring that the loaded
+ // targets correspond to the cached session objects.
+ //
+ shared_ptr<cont> cl (o->c.load ());
+ shared_ptr<obj> ol (c->o[0].load ());
+
+ assert (c->o[0].loaded ());
+ assert (o->c.loaded ());
+
+ assert (cl == c);
+ assert (ol == o);
+
+ t.commit ();
+ }
+
+ // Test lazy weak locking and reloading.
+ //
+ {
+ // No session.
+ //
+ transaction t (db->begin ());
+ shared_ptr<cont> c (db->load<cont> (1));
+
+ // Lock.
+ //
+ assert (!c->o[1].loaded ());
+ lazy_shared_ptr<obj> l (c->o[1].lock ());
+ assert (!l.loaded ());
+ assert (l.object_id<obj> () == c->o[1].object_id<obj> ());
+
+ // Reload.
+ //
+ assert (!c->o[1].loaded ());
+
+ shared_ptr<obj> ol (c->o[1].load ());
+ assert (c->o[1].loaded ());
+
+ ol.reset ();
+ assert (!c->o[1].loaded ());
+
+ ol = c->o[1].load ();
+ assert (c->o[1].loaded ());
+
+ t.commit ();
+ }
+
+ //
+ // Test shared_ptr as a value wrapper.
+ //
+
+ {
+ obj2 o1 (1);
+ obj2 o2 (2);
+ o2.str.reset (new string ("abc"));
+
+ transaction t (db->begin ());
+ db->persist (o1);
+ db->persist (o2);
+ t.commit ();
+ }
+
+ {
+ transaction t (db->begin ());
+ shared_ptr<obj2> o1 (db->load<obj2> (1));
+ shared_ptr<obj2> o2 (db->load<obj2> (2));
+ t.commit ();
+
+ assert (!o1->str);
+ assert (o2->str && *o2->str == "abc");
+ }
+ }
+ catch (const odb::exception& e)
+ {
+ cerr << e.what () << endl;
+ return 1;
+ }
+}